* [PATCH 03/10] proc: convert /proc/$PID/syscall to seq_file interface
@ 2014-07-16 21:26 Alexey Dobriyan
0 siblings, 0 replies; only message in thread
From: Alexey Dobriyan @ 2014-07-16 21:26 UTC (permalink / raw)
To: akpm; +Cc: linux-kernel
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
fs/proc/base.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -482,7 +482,8 @@ static int proc_pid_limits(struct seq_file *m, struct pid_namespace *ns,
}
#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
-static int proc_pid_syscall(struct task_struct *task, char *buffer)
+static int proc_pid_syscall(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task)
{
long nr;
unsigned long args[6], sp, pc;
@@ -491,11 +492,11 @@ static int proc_pid_syscall(struct task_struct *task, char *buffer)
return res;
if (task_current_syscall(task, &nr, args, 6, &sp, &pc))
- res = sprintf(buffer, "running\n");
+ seq_puts(m, "running\n");
else if (nr < 0)
- res = sprintf(buffer, "%ld 0x%lx 0x%lx\n", nr, sp, pc);
+ seq_printf(m, "%ld 0x%lx 0x%lx\n", nr, sp, pc);
else
- res = sprintf(buffer,
+ seq_printf(m,
"%ld 0x%lx 0x%lx 0x%lx 0x%lx 0x%lx 0x%lx 0x%lx 0x%lx\n",
nr,
args[0], args[1], args[2], args[3], args[4], args[5],
@@ -2564,7 +2565,7 @@ static const struct pid_entry tgid_base_stuff[] = {
#endif
REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations),
#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
- INF("syscall", S_IRUSR, proc_pid_syscall),
+ ONE("syscall", S_IRUSR, proc_pid_syscall),
#endif
INF("cmdline", S_IRUGO, proc_pid_cmdline),
ONE("stat", S_IRUGO, proc_tgid_stat),
@@ -2900,7 +2901,7 @@ static const struct pid_entry tid_base_stuff[] = {
#endif
REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations),
#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
- INF("syscall", S_IRUSR, proc_pid_syscall),
+ ONE("syscall", S_IRUSR, proc_pid_syscall),
#endif
INF("cmdline", S_IRUGO, proc_pid_cmdline),
ONE("stat", S_IRUGO, proc_tid_stat),
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2014-07-16 21:26 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-07-16 21:26 [PATCH 03/10] proc: convert /proc/$PID/syscall to seq_file interface Alexey Dobriyan
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).